Multi Tech Systems Network Card MultiConnect Adapter User Manual

MultiConnectAdapter  
Serial-to-Serial Adapter with IP  
User Guide  
 
Table of Contents  
Table of Contents  
Chapter 1 – Product Description & Specifications....................................................................................................4  
Product Description....................................................................................................................................................4  
Applications................................................................................................................................................................4  
Types of Adapters Available ......................................................................................................................................5  
Package Contents......................................................................................................................................................5  
Handling Precautions.................................................................................................................................................5  
Specifications.............................................................................................................................................................6  
LED Indicators............................................................................................................................................................7  
Chapter 2 – Installation................................................................................................................................................8  
Attaching the MultiConnect to a Fixed Location .........................................................................................................8  
Serial-to-Serial Adapter Installation............................................................................................................................9  
Connecting the Cables...............................................................................................................................................9  
Chapter 3 – Managing and Configuring the MultiConnect Adapter.......................................................................11  
Two Ways to Login...................................................................................................................................................11  
Login Using TTY ..................................................................................................................................................11  
Login Using Telnet through the PPP Interface .....................................................................................................11  
About Command Mode and Data Mode...................................................................................................................11  
Chapter 4 – Command Line Interface and Application Examples .........................................................................12  
Chapter 5 – Setting Country or Region Codes Using the CLI ................................................................................13  
Chapter 6 – Flash Upgrade........................................................................................................................................14  
Introduction ..............................................................................................................................................................14  
Serial Flash Upgrade Scenario ................................................................................................................................14  
Appendix A – Regulatory Information......................................................................................................................15  
Appendix B – Warranty and Service.........................................................................................................................16  
Multi-Tech Warranty Statement............................................................................................................................16  
Repair Procedures for U.S. and Canadian Customers.........................................................................................16  
Repair Procedures for International Customers (Outside U.S.A. and Canada)....................................................16  
Repair Procedures for International Distributors ..................................................................................................17  
Replacement Parts...............................................................................................................................................17  
Index............................................................................................................................................................................18  
Multi-Tech Systems, Inc. MultiConnect Serial-to-Serial Adapter User Guide (S000354B)  
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Chapter 1 – Product Description and Specifications  
Chapter 1 – Product Description &  
Specifications  
Product Description  
The MultiConnect serial-to-serial adapter enables installed serial devices to connect to the Internet for remote  
monitoring, control and configuration.  
Internet-Enable Any Device. The MultiConnect adapter provides the powerful ability to IP-enable serial devices  
allowing more options for data acquisition, device management, and industrial control than would otherwise be  
available.  
Simply install the MultiConnect between a serial device and an analog, ISDN, or wireless modem to send and receive  
data over the Internet. It can also serve as a single Web page in response to a Web browser request.  
Reduces Development Time. MultiConnect can make your existing and next generation serial device IP-ready  
without requiring hardware changes to its design. MultiConnect actually provides faster time-to-market because it  
relieves the burden and expense of writing and maintaining Internet applications. The complete, ready-to-integrate  
MultiConnect adapter allows you to enhance your product while you focus on developing its core features.  
Management and Configuration. MultiConnect has several means of management and configuration built into the  
design. It supports remote configuration, which means you can have central site setup and control of the remote  
adapters via the command line interface or telnet.  
Applications  
The MultiConnect adapters will IP-enable any device to provide remote monitoring, control and configuration of any  
system. The solution is ideal for the following applications:  
Appliances  
ATM terminals  
Credit card and check verification systems  
Data collection  
Gas pumps  
Industrial and medical remote monitoring systems  
Point-of-sale terminals  
Remote diagnostics  
Remote metering  
Security systems  
Ticketing machines  
Vending/gaming machines  
And more…..  
Multi-Tech Systems, Inc. MultiConnect Serial-to-Serial Adapter User Guide (S000354B)  
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Chapter 1 – Product Description and Specifications  
Types of Adapters Available  
Product  
Adapter Description  
Region  
Global  
Global  
MTS2SA-T  
MTS2SA-T-R  
Serial-to-Serial + IP (External Power)  
Serial-to-Serial + IP (RS-232 Power)  
Note: The MTS2SA-T-R (RS-232 Powered) Adapter requires power to be supplied into  
Pin 6 of the female DB9.  
Package Contents  
One MultiConnect Adapter  
One universal power supply with power cord included with the externally powered adapters  
One RS-232 cable included with the RS-232 Serial-to-Serial Adapter  
Two mounting brackets  
Four adhesive-backed rubber feet (table-top mounting)  
One Quick Start Guide  
One MultiConnect CD  
Handling Precautions  
All devices must be handled with certain precautions to avoid damage due to the accumulation of static charge.  
Although input protection circuitry has been incorporated into the devices to minimize the effect of this static buildup,  
proper precautions should be taken to avoid exposure to electrostatic discharge during handling and mounting.  
Multi-Tech Systems, Inc. MultiConnect Serial-to-Serial Adapter User Guide (S000354B)  
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Chapter 1 – Product Description and Specifications  
Specifications  
Category  
Description  
Memory  
Flash Memory  
Protocols Supported  
8 MEG  
2 MEG  
ARP, DHCP, FTP, HTTP, ICMP, IP, POP3, PPP, SMTP, TCP, Telnet, TFTP, and  
UDP  
Serial Interface  
Data Formats  
Data Rates  
Standard DCE serial  
Serial, binary, asynchronous  
300; 1200; 2400; 4800; 9600; 19200; 38400; 57600; 115200; 230400 bps  
Flow Control  
Management  
Security  
RTS/CTS (hardware)  
Serial; Telnet  
Username and password authentication using local database  
System Software  
Flash ROM standard: downloadable from a TCP/IP host (TFTP) or Xmodem via  
Serial  
LEDs  
Ethernet  
ACT (Activity) and STS (Status)  
IEEE 802.3  
Power Requirements  
With External Power (MTS2SA-T) Power Consumption  
@ 9V DC:  
Typical 240mA  
Maximum 250mA  
With RS-232 Power (MTS2SA-T-R) Power Consumption  
@ 5V DC:  
@ 10V DC:  
@ 15V DC:  
@ 20V DC:  
@ 25V DC:  
Typical 95mA  
Typical 50mA  
Typical 35mA  
Typical 28mA  
Typical 24mA  
Maximum 105mA  
Maximum 60mA  
Maximum 45mA  
Maximum 38mA  
Maximum 34mA  
Operating Temperature  
Storage Temperature  
32° to +120°F (0° to 50°C); humidity range 25-85% (non-condensing)  
-40°C to +85°C  
3.5" w x 2.1" h x 0.98" d; 3.4 oz.  
8.8 cm x 5.3 cm x 6 cm; 96 g  
Safety Certifications:  
Physical Dimensions  
Certifications  
UL60950  
cUL60950  
EN60950  
ACA TS001 / AS 3260  
EMC Safety Approvals:  
FCC Part 15 Class A  
EN55022  
EN55024  
CE Marked  
Features  
Serial interface supports DTE speeds to 230K bps  
Embedded TCP/IP stack  
External and RS-232 power options  
High performance processor runs ARP, DHCP, FTP, HTTP, ICMP, IP, POP3,  
PPP, SMTP, SNMP, SNMP, TCP, Telnet, TFTP, UDP protocols  
Command line interface  
Flash memory to update firmware with the latest enhancements  
Flexible IP protocol stack  
Compact, rugged industrial chassis design  
Desktop or panel mounting  
Two-year warranty  
Multi-Tech Systems, Inc. MultiConnect Serial-to-Serial Adapter User Guide (S000354B)  
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Chapter 1 – Product Description and Specifications  
Category  
Description  
Software Features  
Internet Applications  
DHCP Client:  
Request IP address for Ethernet Interfaces  
Telnet Server:  
Command Line Configuration  
Auto Dial-out Feature  
Command line via custom port (other than standard port 23)  
Telnet Client:  
Connect to remote Telnet Server  
Serial Auto Dial-in Feature  
Terminal Server:  
Network to Serial Connectivity  
Serial to Network Connectivity  
TFTP Server:  
Flash Upgrade  
SMTP Client:  
The email client embedded in the MultiConnect sends email to the  
configured recipients.  
POP3 Client:  
The email client embedded in the MultiConnect receives email from the  
POP3 Server. This feature is useful for field upgrades. Firmware upgrades  
can be sent as attachments.  
HTTP Server:  
To host Web pages on behalf of the serial device for monitoring and  
configuration of the serial device.  
Functional Features  
Command Line Configuration over Serial or Ethernet  
Serial - TTY  
Ethernet - Telnet  
Username and Password Authentication Using Local Database  
The Username and Password can be created using commands.  
The User database authenticates the Users before access to command  
mode of the MultiConnect adapter is enabled.  
Remote Transparent Bridging  
Ethernet to Serial Bridging  
Point-to-Point Protocol (PPP)  
Negotiations Bridging Control Protocol  
- 802.3 MAC Type  
CCP Compression  
LED Indicators  
Name  
ACT  
STS  
Description  
Activity – Lit when data is being transmitted or received.  
Status – Blinks to indicate that the unit is functioning.  
Multi-Tech Systems, Inc. MultiConnect Serial-to-Serial Adapter User Guide (S000354B)  
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Chapter 2 – Installation  
Chapter 2 – Installation  
Attaching the MultiConnect to a Fixed  
Location  
The MultiConnect adapter is design to be used on the desktop or to be panel-mounted. To attach the bracket for  
panel-mounting, following these steps:  
1. Typically, the MultiConnect adapter is mounted against a flat surface with two mounting screws. Drill the  
mounting holes at the desired location. The mounting holes must separated by 4 -7/16 inches center-to-center.  
2. To attach the brackets to the MultiConnect, slide the mounting brackets into the corresponding slots on the back  
of the MultiConnect chassis.  
3. Attach the adapter to the surface with two screws.  
Multi-Tech Systems, Inc. MultiConnect Serial-to-Serial Adapter User Guide (S000354B)  
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Chapter 2 – Installation  
Serial-to-Serial Adapter Installation  
This is an example of a typical setup.  
Connecting the Cables  
Serial-to-Serial Power Connections  
Powered in one of two ways:  
Powered by External Power Supply  
MTS2SA-T  
Powered through RS-232 Cable (Pin 6)  
MTS2SA-T-R  
Adapter RS-232 Connector  
Adapter RS-232 Connector  
Adapter RS-232 & External Power Connectors  
Adapter RS-232 Power Pin Connector  
Multi-Tech Systems, Inc. MultiConnect Serial-to-Serial Adapter User Guide (S000354B)  
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Chapter 2 – Installation  
Female End of the Multi-Tech Adapter  
The following tables explain the Multi-Tech Adapter pin functions.  
External Power  
Multi-Tech  
Adapter  
Powered  
Through Pin 6  
Female Connector  
Signal  
IN/OUT  
Signal  
IN/OUT  
Pin 1 CD  
Pin 2 TX  
O
O
I
Pin 1 CD  
Pin 2 TX  
Pin 3 RX  
Pin 4 DTR  
Pin 5 GND  
Pin 6*  
O
O
Pin 3 RX  
Pin 4 DTR  
Pin 5 GND  
Pin 6 DSR  
Pin 7 CTS  
Pin 8 RTS  
Pin 9 RI  
I
I
I
--  
O
I
--  
Power  
Pin 7 CTS  
Pin 8 RTS  
Pin 9 RI  
I
O
O
O
O
*Pin 6 Input Power Consumption  
@ 5V DC:  
@ 10V DC:  
@ 15V DC:  
@ 20V DC:  
@ 25V DC:  
Typical 190mA  
Typical 100mA  
Typical 69mA  
Typical 54mA  
Typical 45mA  
Maximum 245mA  
Maximum 120mA  
Maximum 83mA  
Maximum 65mA  
Maximum 55mA  
Warning:  
When supplying power to the RS-232 connector of the adapter, make sure  
the power does not feed the DTE device.  
Male End of the Multi-Tech Adapter  
The following table explains the Multi-Tech Adapter pin functions.  
RS-232 Multi-Tech  
Adapter  
Male Connector  
Signal  
IN/OUT  
Pin 1 CD  
Pin 2 RX  
Pin 3 TX  
Pin 4 DTR  
I
I
O
O
-
Pin 5 GND  
Pin 6 DSR  
Pin 7 RTS  
Pin 8 CTS  
Pin 9 RI  
I
O
I
I
Multi-Tech Systems, Inc. MultiConnect Serial-to-Serial Adapter User Guide (S000354B)  
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Chapter 3 – Managing and Configuring the MultiConnect Adapter  
Chapter 3 – Managing and  
Configuring the MultiConnect  
Adapter  
Two Ways to Login  
Login Using TTY  
Use TTY to configure your MultiConnect IP for the first time. Configure the host serial port using the  
defaults listed below:  
Baud: 115.2K  
Data: 8  
Parity: N  
Stop: 1  
Flow-Control: None  
Press the Enter key three times to get to the Login prompt or send three carriage returns.  
At the Login prompt, type admin.  
At the Password prompt, type admin.  
Important: The user name and password are case sensitive. They must be typed in lowercase letters.  
Login Using Telnet through the PPP Interface  
Open the PPP interface on the modem port.  
Upon successful establishment of a Telnet session, the MultiConnect IP displays the Login prompt.  
At the Login prompt, type admin.  
At the Password prompt, type admin.  
After a successful login, the MultiConnect IP enters Command Mode. In Command Mode, the  
MultiConnect IP can be configured and managed using the Command Line Interface (CLI) command  
set.  
About Command Mode and Data Mode  
In Command Mode, a # sign designates the prompt. If you type the word Help at the command prompt, a  
complete list of commands displays.  
If you type the word Usage at the command prompt, a list of the command semantics displays.  
In Data Mode, the # sign is not displayed.  
To leave Command Mode, exit your terminal or Telnet session or type the word Exit at the command prompt.  
Note: See the Restore command and IP Escape String command.  
Multi-Tech Systems, Inc. MultiConnect Serial-to-Serial Adapter User Guide (S000354B)  
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Chapter 4 – Command Line Interface (CLI)  
Chapter 4 – Command Line Interface  
and Application Examples  
See the separate Command Line Interface and Application Examples guide. The guide includes the commands and  
examples for managing and configuring your MultiConnect Adapter.  
For your convenience, we have also provided a reference guide of modem AT commands.  
These guides are available on the MultiConnect CD and on the Multi-Tech Web site.  
Multi-Tech Systems, Inc. MultiConnect Serial-to-Serial Adapter User Guide (S000354B)  
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Chapter 5 – Setting Country or Region Codes Using the CLI  
Chapter 5 – Setting Country or  
Region Codes Using the CLI  
The Default Country or Region Code is B5.  
If You Want to Change the Country or Region Code, Use the Command Line Interface:  
Command Syntax  
Description  
set serial s1 modem country-code value <value>  
Sets the modem country/region code value to <value>.  
This command is valid only for port s1. Applicable only if the country-code type is set  
to code.  
Default Value  
Success  
Error  
-
OK  
1. Too few arguments  
“Usage: set serial s1 modem country-code value <value>  
Type ‘set serial s1 modem country-code value ?’ for more information”  
Note: There is no validation on the country/region code value.  
To View Country or Region Code:  
Command Syntax show serial modem country code  
This command is supported on s1 only.  
Description  
Displays the supported country/region codes for this product.  
Default Value  
-
Success OK  
Error 1. Too few arguments  
Possible value(s) are  
configuration  
chat-script  
country/region code  
modem-configuration  
statistics  
Country or Region Codes – A list of thcountry or region code settings for the countries/regions that Multi-  
Tech currently supports is available on the Multi-Tech Web site at:  
#chart  
Multi-Tech Systems, Inc. MultiConnect Serial-to-Serial Adapter User Guide (S000354B)  
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Chapter 6 – Flash Upgrade  
Chapter 6 – Flash Upgrade  
Introduction  
The MultiConnect Adapter contains a 2 MB flash wherein the boot image, the firmware and configuration files are  
stored in a compressed format.  
Serial Flash Upgrade Scenario  
Following steps explain the procedure to upgrade a flash using the serial COM port (serial flash upgrade).  
Connect the MultiConnect Adapter to a PC COM Port.  
Open an application through which we can access the serial device(e.g., Meterm, zoc, hyperterm).  
Reboot the MultiConnect Adapter.  
Wait for the boot message and prompt “press d to download” to appear.  
Press d when prompted.  
Select the XMODEM Protocol from the Terminal application.  
Choose a file (MTXCSEM-TFTP-…) file to be uploaded.  
Perform a file upload.  
The MultiConnect Adapter reboots and will be up after a few seconds (10-15 secs).  
The MultiConnect Adapter reboots after it has been successfully upgraded.  
Multi-Tech Systems, Inc. MultiConnect Serial-to-Serial Adapter User Guide (S000354B)  
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Appendix A – Regulatory Information  
Appendix A – Regulatory  
Information  
Regulatory Information  
FCC Part 15 Regulation  
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC  
rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This  
equipment generates, uses, and can radiate radio frequency energy, and if not installed and used in accordance with the  
instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not  
occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be  
determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the  
following measures:  
Reorient or relocate the receiving antenna.  
Increase the separation between the equipment and receiver.  
Plug the equipment into an outlet on a circuit different from that to which the receiver is connected.  
Consult the dealer or an experienced radio/TV technician for help.  
This device complies with Part 15 of the FCC rules. Operation of this device is subject to the following conditions: (1) This device  
may not cause harmful interference, and (2) this device must accept any interference that may cause undesired operation.  
WARNING – Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the  
user’s authority to operate the equipment.  
Industry Canada  
This Class B digital apparatus meets all requirements of the Canadian Interference-Causing Equipment Regulations.  
Cet appareil numérique de la classe B respecte toutes les exigences du Reglement Canadien sur le matériel brouilleur.  
EMC, Safety, and Directive Compliance  
The CE mark is affixed to this product to confirm compliance with the following European Community Directives:  
Council Directive 89/336/EEC of 3 May 1989 on the approximation of the laws of Member States relating to electromagnetic  
compatibility;  
and  
Council Directive 73/23/EEC of 19 February 1973 on the harmonization of the laws of Member States relating to electrical  
equipment designed for use within certain voltage limits.  
Multi-Tech Systems, Inc. MultiConnect Serial-to-Serial Adapter User Guide (S000354B)  
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Appendix B – Warranty and Service  
Appendix B – Warranty and Service  
Multi-Tech Warranty Statement  
Multi-Tech Systems, Inc., (hereafter “MTS”) warrants that its products will be free from defects in material or workmanship for a  
period of two, five, or ten years (depending on model) from date of purchase, or if proof of purchase is not provided, two, five, or ten  
years (depending on model) from date of shipment.  
MTS MAKES NO OTHER WARRANTY, EXPRESS OR IMPLIED, AND ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND  
FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED.  
This warranty does not apply to any products which have been damaged by lightning storms, water, or power surges or which have  
been neglected, altered, abused, used for a purpose other than the one for which they were manufactured, repaired by Customer or  
any party without MTS’s written authorization, or used in any manner inconsistent with MTS’s instructions.  
MTS’s entire obligation under this warranty shall be limited (at MTS’s option) to repair or replacement of any products which prove to  
be defective within the warranty period or, at MTS’s option, issuance of a refund of the purchase price. Defective products must be  
returned by Customer to MTS’s factory — transportation prepaid.  
MTS WILL NOT BE LIABLE FOR CONSEQUENTIAL DAMAGES, AND UNDER NO CIRCUMSTANCES WILL ITS LIABILITY  
EXCEED THE PRICE FOR DEFECTIVE PRODUCTS.  
Repair Procedures for U.S. and Canadian Customers  
In the event that service is required, products may be shipped, freight prepaid, to our Mounds View, Minnesota factory:  
Multi-Tech Systems, Inc.  
2205 Woodale Drive  
Mounds View, MN 55112  
Attn: Repairs, Serial # ____________  
A Returned Materials Authorization (RMA) is not required. Return shipping charges (surface) will be paid by MTS to destinations in  
U.S. and Canada.  
Please include, inside the shipping box, a description of the problem, a return shipping address (must have street address, not P.O.  
Box), your telephone number, and if the product is out of warranty, a check or purchase order for repair charges.  
For out of warranty repair charges, go to www.multitech.com/DOCUMENTS/Company/warranty/  
Extended two-year overnight replacement service agreements are available for selected products. Please call MTS customer  
service at (888) 288-5470 or visit our web site at www.multitech.com/PARTNERS/Programs/orc/ for details on rates and coverage’s.  
Please direct your questions regarding technical matters, product configuration, verification that the product is defective, etc., to our  
Technical Support department at (800) 972-2439 or email [email protected]. Please direct your questions regarding repair  
expediting, receiving, shipping, billing, etc., to our Repair Accounting department at (800) 328-9717 or (763) 717-5631, or email  
Repairs for damages caused by lightning storms, water, power surges, incorrect installation, physical abuse, or user-caused  
damages are billed on a time-plus-materials basis.  
Repair Procedures for International Customers (Outside  
U.S.A. and Canada)  
Your original point of purchase Reseller may offer the quickest and most economical repair option for your Multi-Tech product. You  
may also contact any Multi-Tech sales office for information about the nearest distributor or other repair service for your Multi-Tech  
In the event that factory service is required, products may be shipped, freight prepaid to our Mounds View, Minnesota factory.  
Recommended international shipment methods are via Federal Express, UPS or DHL courier services, or by airmail parcel post;  
shipments made by any other method will be refused. A Returned Materials Authorization (RMA) is required for products shipped  
from outside the U.S.A. and Canada. Please contact us for return authorization and shipping instructions on any International  
shipments to the U.S.A. Please include, inside the shipping box, a description of the problem, a return shipping address (must have  
street address, not P.O. Box), your telephone number, and if the product is out of warranty, a check drawn on a U.S. bank or your  
company’s purchase order for repair charges. Repaired units shall be shipped freight collect, unless other arrangements are made  
in advance.  
Please direct your questions regarding technical matters, product configuration, verification that the product is defective, etc., to our  
Technical Support department nearest you or email [email protected]. When calling the U.S., please direct your questions  
regarding repair expediting, receiving, shipping, billing, etc., to our Repair Accounting department at +(763) 717-5631 in the U.S.A.,  
or email [email protected].  
Repairs for damages caused by lightning storms, water, power surges, incorrect installation, physical abuse, or user-caused  
damages are billed on a time-plus-materials basis.  
Multi-Tech Systems, Inc. MultiConnect Serial-to-Serial Adapter User Guide (S000354B)  
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Appendix B – Warranty and Service  
Repair Procedures for International Distributors  
International distributors should contact their MTS International sales representative for information about the repairs for their Multi-  
Tech product.  
Please direct your questions regarding technical matters, product configuration, verification that the product is defective, etc., to our  
International Technical Support department at +(763)717-5863. When calling the U.S., please direct your questions regarding repair  
expediting, receiving, shipping, billing, etc., to our Repair Accounting department at +(763) 717-5631 in the U.S.A. or email  
Repairs for damages caused by lightning storms, water, power surges, incorrect installation, physical abuse, or user-caused  
damages are billed on a time-plus-materials basis.  
Replacement Parts  
SupplyNet, Inc., can supply you with replacement power supplies, cables and connectors for selected Multi-Tech  
products. You can place an order with SupplyNet via mail, phone, fax or the Internet at the following addresses:  
Mail:  
SupplyNet, Inc.  
614 Corporate Way  
Valley Cottage, NY 10989  
800 826-0279  
Phone:  
Fax:  
914 267-2420  
Email:  
Internet:  
Multi-Tech Systems, Inc. MultiConnect Serial-to-Serial Adapter User Guide (S000354B)  
17  
 
Index  
Index  
IP Serial Setup Commands  
A
set serial modem country code value...................13  
show serial modem country code.........................13  
Applications................................................................4  
AT Commands .........................................................12  
L
C
Login using Telnet....................................................11  
Command Mode.......................................................11  
O
D
Ordering Replacement Parts....................................17  
Data Mode ...............................................................11  
P
E
Pin Functions ...........................................................10  
EMC, Safety, and Directive Compliance ..................15  
R
F
Reduced Development Time......................................4  
Replacement Parts...................................................17  
Flash Upgrade Scenario 1 .......................................14  
S
H
Set serial modem country code value IP command .13  
Setup Example...........................................................9  
Show serial modem country code IP command .......13  
Software Features......................................................7  
Specifications.............................................................6  
Handling Precautions.................................................5  
I
Installation..................................................................8  
Internet Applications...................................................7  
T
TTY Login ................................................................11  
Multi-Tech Systems, Inc. MultiConnect Serial-to-Serial Adapter User Guide (S000354B)  
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